Yasunori Ishihara and Hiroyuki Kato visiting the DB group

We are happy to host Yasunori Ishihara (Osaka U) and Hiroyuki Kato (NII Tokyo) during the week of Jan 27–30, 2015. The two Japanese experts in program analysis and query optimization visit Tübingen to continue our collaboration on the transformation of node-generating XQuery expressions. Welcome, Yasunori and Hiroyuki!